This registry is a place to share positive or negative side effects of using Neo-Synephrine. If you directly experienced a side effect while using Neo-Synephrine, then we encourage you to enter it here. Please note that entries here are the experiences of individual users, and in no way means that you or anyone else will experience the same side effect, since the same medication affects people in different ways. Please always contact your physician.
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May 20th
2004
1:55 PM
My eyes were dilated with Neosynephrine and it caused me to syncope (faint). The opthamologist sent me to the hospital for tests and it was discovered that the nerve endings around my heart are very sensitive to Neosynephrine and Nitroglycerine. They cause my already low blood pressure to drop and cause syncope. Not a common accurrence.
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